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  <title>o_to_m_transform (relation_transform.rb)</title>
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  <pre><span class="ruby-comment cmt"># File relation_transform.rb, line 76</span>
 <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">o_to_m_transform</span>(<span class="ruby-identifier">row</span>,<span class="ruby-identifier">new_connection</span>)
        <span class="ruby-identifier">root_table_name</span> = <span class="ruby-identifier">row</span>[<span class="ruby-value">1</span>]
        <span class="ruby-identifier">root_table_primary_key</span> = <span class="ruby-identifier">row</span>[<span class="ruby-value">2</span>]
        <span class="ruby-identifier">primary_key_specs</span> = <span class="ruby-identifier">handle_primary_key</span>(<span class="ruby-identifier">root_table_primary_key</span>,<span class="ruby-identifier">root_table_name</span>,<span class="ruby-identifier">new_connection</span>)        
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">primary_key_specs</span> <span class="ruby-operator">!=</span><span class="ruby-value">0</span>
                <span class="ruby-keyword kw">for</span> <span class="ruby-identifier">field</span> <span class="ruby-keyword kw">in</span> <span class="ruby-value">3</span><span class="ruby-operator">..</span><span class="ruby-identifier">row</span>.<span class="ruby-identifier">length</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>
                        <span class="ruby-identifier">new_connection</span>.<span class="ruby-identifier">query</span>(<span class="ruby-node">&quot;ALTER TABLE #{row[field]} ADD #{root_table_primary_key} #{primary_key_specs}&quot;</span>)         
                        <span class="ruby-identifier">new_connection</span>.<span class="ruby-identifier">query</span>(<span class="ruby-node">&quot;ALTER TABLE #{row[field]} ADD CONSTRAINT fk_const FOREIGN KEY (#{root_table_primary_key}) REFERENCES #{root_table_name}(#{root_table_primary_key}) ON DELETE CASCADE&quot;</span>)         
                <span class="ruby-keyword kw">end</span>   
        <span class="ruby-keyword kw">end</span>    
 <span class="ruby-keyword kw">end</span></pre>
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